{\def\sym#1{\ifmmode^{#1}\else\(^{#1}\)\fi}
\begin{tabular}{l*{6}{c}}
\hline\hline
&\textbf{Group 1}& \textbf{Group 2}&\textbf{Diff.} &\textbf{p-val} & \textbf{\#Obs. G1}  & \textbf{\#Obs. G2}\\
&\multicolumn{1}{c}{(1)}&\multicolumn{1}{c}{(2)}&\multicolumn{1}{c}{(3)}&   \multicolumn{1}{c}{(4)}&\multicolumn{1}{c}{(5)}&\multicolumn{1}{c}{(6)}\\
\hline
\multicolumn{6}{l}{\textbf{Panel A: Employers' Wage WTP, by Employee Characteristics}}\\
Gender (1 = Male, 2 = Female) &  31.90 &  30.85 &   1.05 &   0.01 &        6,306 &        5,234 \\
& (12.07) & (12.23) & & & & \\
Country (1 = US, 2 = India) &  30.71 &  32.85 &  -2.14 &   0.00 &        7,700 &        3,840 \\
& (12.20) & (11.95) & & & & \\
Age (1 = Under 33, 2 = Over 33) &  31.67 &  31.14 &   0.54 &   0.17 &        6,139 &        5,401 \\
& (12.00) & (12.33) & & & & \\
&&&&&&\\
\multicolumn{6}{l}{\textbf{Panel B: Employee Productivity, by Employee Characteristics}}\\
Gender (1 = Male, 2 = Female) &  38.30 &  34.98 &   3.32 &   0.00 &        6,306 &        5,234 \\
& ( 8.55) & ( 8.73) & & & & \\
Country (1 = US, 2 = India) &  37.01 &  36.36 &   0.65 &   0.41 &        7,700 &        3,840 \\
& ( 8.93) & ( 8.49) & & & & \\
Age (1 = Under 33, 2 = Over 33) &  36.96 &  36.60 &   0.37 &   0.63 &        6,139 &        5,401 \\
& ( 8.62) & ( 8.98) & & & & \\
\hline\hline
\end{tabular}}
